SOLUTION: Find the distance between the points. (-2,7) and (3, -8)

Algebra.Com
Question 960831: Find the distance between the points.
(-2,7) and (3, -8)

Found 2 solutions by jim_thompson5910, rfer:
Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!
Solved by pluggable solver: Distance Formula


The first point is (x1,y1). The second point is (x2,y2)


Since the first point is (-2, 7), we can say (x1, y1) = (-2, 7)
So ,


Since the second point is (3, -8), we can also say (x2, y2) = (3, -8)
So ,


Put this all together to get: , , , and

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Now use the distance formula to find the distance between the two points (-2, 7) and (3, -8)






Plug in , , , and

























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Answer:


The distance between the two points (-2, 7) and (3, -8) is exactly units


The approximate distance between the two points is about 15.8113883008419 units



So again,


Exact Distance: units


Approximate Distance: units



Answer by rfer(16322)   (Show Source): You can put this solution on YOUR website!
5^2+15^2=c^2
25+225=c^2
c=15.8

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